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Mathematics, 07.12.2021 17:40 cearp

Here is a trapezium. 20 m
Jenny wants to work out the area of
the trapezium.
13 m
She writes:
13 m
N
12 m
area =-
ol
(20+30)(13)
+5 m
+5 m
=(10+30)(13)
= 40x13
= 520 m²
What two mistakes did Jenny make in her method?

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Answers: 3

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Here is a trapezium. 20 m
Jenny wants to work out the area of
the trapezium.
13...

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